Understanding planning · 13 min read
Planning application documents: what to read first
Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.
England · Local authority
PlanningTrack collects planning applications and decisions from the public planning register of Welwyn Hatfield Borough Council. Search an address, application reference or proposal. Official Welwyn Hatfield website
29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 8 Nov 2026. Counts reflect the last collected status; some records may be out of date.
Explore published planning boundaries and follow their source records for designation details. Coverage varies: an empty map does not mean there are no restrictions. Check the council’s current maps and documents before relying on a boundary.
Interactive planning map loads with JavaScript. Dataset sources are linked below.
Download Article 4 coverage for all authorities (CSV)
Data downloaded 14 Sept 2026. Display boundaries are simplified and indicative. Map record counts are not a complete count of designations or directions.
Sources: Planning Data conservation areas and Article 4 direction areas. Contains public sector information licensed under the Open Government Licence v3.0.
Panshanger Aerodrome Land to North East of Welwyn Garden City Welwyn Garden City AL7 2QJ
Received 19 Feb 2025The Frythe, Digswell Hill, Welwyn, AL6 9AL
Received 28 Aug 2015EDGE HOUSE, KENTISH LANE, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 6NH
Received 4 Sept 200977, 73 & 69 Attimore Road Welwyn Garden City AL8 6LG
Received 21 Jul 2017Tesco Stores Ltd Great North Road Hatfield AL9 5JY
Received 5 Jan 201759 Bradmore Green Brookmans Park Hatfield AL9 7QS
Received 15 Dec 202220 Station Road Cuffley Potters Bar EN6 4HT
Received 8 May 201914 Melbourne Court Welwyn Garden City AL8 6LL
Received 30 Sept 202132 Beehive Lane Welwyn Garden City AL7 4BQ
Received 16 Oct 20249 Roundwood Drive Welwyn Garden City AL8 7JZ
Received 23 Oct 202578 Roe Green Lane Hatfield AL10 0SJ
Received 12 Dec 201949 FORDWICH ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6EY
Received 13 Aug 20093 Dellcott Close, Welwyn Garden City, AL8 7BB
Received 15 Apr 201426 High Street Welwyn Hertfordshire AL6 9EQ
Received 11 Jan 20234 Valley Road, Welwyn Garden City, AL8 7DF
Received 15 Oct 201439 The Avenue Welwyn AL6 0PW
Received 28 Mar 2019University of Hertfordshire College Lane Hatfield AL10 9AB
Received 17 Aug 2015Plot 4100 Gypsy Moth Avenue Hatfield Business Park
Received 5 Jan 2018BLACKTHORN, WEST END LANE, ESSENDON, HATFIELD, HERTFORDSHIRE, AL9 6AX
Received 30 Jan 20083 Birdcroft Road, Welwyn Garden City, AL8 6EH
Received 8 Apr 201632 Great Ganett, Welwyn Garden City, AL7 3DE
Received 29 Apr 2015RAYBROOK FARM, BLUEBRIDGE ROAD, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7SX
Received 1 Sept 20096 Parsonage Lane Welham Green Hatfield AL9 7LU
Received 4 Jan 20221 The Glade Welwyn Garden City AL8 7LG
Received 1 Feb 2022Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.
View all applicationsArea alerts send a daily or weekly email with new applications and decisions near a postcode, filtered by project type. £29 a month, up to 3 areas. Records are limited to the councils we collect.
Set up an area alertStart with the address or application reference. Open a record to read the proposal, dates and available documents, then check the official register for the latest plans and consultation details. If nothing appears, check coverage before treating the result as a complete planning history.
How to search planning applications
Understanding planning · 13 min read
Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.

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Understand planning approval rates with an interactive calculator, worked examples and comparison table. Check sample sizes, outcomes and coverage before comparing.
These figures describe applications collected by PlanningTrack for Welwyn Hatfield Borough Council, across all dates currently available. They are a partial dataset, rather than an authority-wide performance measure. The date range does not establish continuous historical coverage.
The approval percentage is approved records divided by approved plus refused records. Pending, withdrawn and unknown outcomes are excluded. No percentage is shown until there is an approved or refused record.
Check collection coverage